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    • 66. 发明申请
    • METHODS AND COMPOSITIONS FOR IMMUNIZING PIGS AGAINST PORCINE CIRCOVIRUS
    • 用于免疫PORCINE CIRCOVIRUS的PIGS的方法和组合物
    • US20110305725A1
    • 2011-12-15
    • US13043853
    • 2011-03-09
    • STEPHEN QITU WU
    • STEPHEN QITU WU
    • A61K39/12C12N15/34A61P31/20C12N15/63C12Q1/70A61P37/04C12N7/00A61K39/295
    • C12N7/00C12N2750/10021C12N2750/10034
    • The present invention relates to the isolation and identification of two new strains of type 2B porcine circovirus. These two new strains of porcine circovirus may be used for the preparation of vaccine or immunogenic compositions for immunizing pigs against postweaning multisystemic wasting syndrome (PMWS). Accordingly, the invention provides methods for eliciting a protective immune response against a pathogenic porcine circovirus by administering to a pig an immunogenically effective amount of a type 2B porcine circovirus vaccine or immunogenic composition comprising at least one of the porcine circoviruses having a nucleic acid sequence as set forth in SEQ ID NOs: 1 or 2, or at least one protein from at least one of the two new type 2B strains of porcine circovirus as described herein. The invention further relates to protection of a pig from any one or more of the symptoms or sequelae associated with PMWS.
    • 本发明涉及分离和鉴定2B型猪圆环病毒的两种新菌株。 这两种新的猪圆环病毒菌株可用于制备用于免疫猪的断奶多系统消耗综合征(PMWS)的疫苗或免疫原性组合物。 因此,本发明提供了通过向猪施用免疫有效量的2B型猪圆环病毒疫苗或免疫原性组合物来引发针对病原性猪圆环病毒的保护性免疫应答的方法,所述免疫原性组合物包含至少一种具有核酸序列的猪圆环病毒 如SEQ ID NO:1或2所示,或至少一种来自本文所述的两种新型2B型猪圆环病毒株的蛋白质。 本发明还涉及猪与PMWS相关的任何一种或多种症状或后遗症的保护。
    • 70. 发明授权
    • Production of adenovirus vectors with reduced levels of replication competent adenovirus contamination
    • 生产具有降低复制水平的腺病毒载体的腺病毒载体
    • US07189561B2
    • 2007-03-13
    • US10946484
    • 2004-09-21
    • Frank L. Graham
    • Frank L. Graham
    • C12N15/34C12N15/64C12N15/63C12N5/10C12N15/861C07H21/04
    • C12N15/86C12N2710/10343C12N2800/30C12N2830/42C12N2840/20
    • Methods, cells and recombinant adenoviral vectors are disclosed that permit the production of recombinant adenoviral vector stocks with reduced levels of contamination by replication competent adenoviruses (RCA). In certain embodiments are disclosed early region 1 (E1) deficient recombinant adenoviral vectors and complementing E1 positive host cells whose sequences are designed to avoid formation of RCA by homologous recombination between sequences in the vector and E1 sequences in the cells. One aspect of the invention involves the inversion of the packaging signal in a recombinant adenoviral vector relative to an adjacent or nearby inverted terminal repeat (ITR). Methods include use of site-specific intregrase family recombinases such as Cre or FLP and recombinase recognition sites such as lox sites or frt sites.
    • 公开了方法,细胞和重组腺病毒载体,其允许通过复制性腺病毒(RCA)产生具有降低的污染水平的重组腺病毒载体原种。 在某些实施方案中公开了早期区域1(E1)缺陷型重组腺病毒载体和补体E1阳性宿主细胞,其序列被设计为避免通过载体中的序列和细胞中的E1序列之间的同源重组而形成RCA。 本发明的一个方面涉及重组腺病毒载体中相对于邻近或邻近倒置末端重复(ITR)的包装信号的反转。 方法包括使用位点特异性整合酶家族重组酶,如Cre或FLP以及重组酶识别位点,如lox位点或frt位点。